<?php
	if(checkdate(2, 16, 1904)) {
		echo "2, 16, 1904 对的";
	} else {
		echo "2, 16, 1904 错误";
	}
	
	if(checkdate(22, 16, 1904)) {
		echo "22, 16, 1904 对的";
	} else {
		echo "22, 16, 1904 错误";
	}
	
	var_dump(checkdate(12, 31, 2000));
	var_dump(checkdate(2, 29, 2001));
	